FAQ

Please find an overview of the most frequently asked questions below. If you have any other questions, get in touch!

Can I use the µPAC™ column in both directions?

Yes, our µPAC™ columns are fabricated by etching from a crystalline silicon wafer following lithographic definition of a pillar array. This means the µPAC™ columns consist of one piece of solid material. The columns are completely symmetrical and do not contain any frits. So, you can easily backflush the column without the risk of moving or breaking particles from the separation bed. To reverse the column, you just need to swap the inlet and outlet unions.

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